A child picks up a tennis ball tied to end of the rope. He swing the rope around, over his head in a circle. Once the ball is spinning he let go of the string and the ball goes flying. Explain which of the following image correctly shows which way the ball will fly and why

Researchers determine that the biodiversity in a woodland region is declining. they identify two major threats to the region's biodiversity, a method to address each threat, and the expected outcome of each method. this information is shown in the table. a) reforestation would not benefit many species because most forest species live on the ground. b) reforestation would take the longest time to be effective because trees take several years to grow. c) biological augmentation would benefit only a few species because is is typically not very effective. d) biological augmentation would take less time to ve effective because it targets the majority of prey species.

Name two kinds of practical electric pumps.

What is the role of the water cycle in maintaining freshwater levels in lake and rivers?